Results 11 to 20 of about 54,711 (246)

Optimized PID Controller Based on Beetle Antennae Search Algorithm for Electro-Hydraulic Position Servo Control System

open access: yesSensors, 2019
To improve the controllability of an electro-hydraulic position servo control system while simultaneously enhancing the anti-jamming ability of a PID controller, a compound PID controller that combines the beetle antennae search algorithm with PID ...
Yuqi Fan, Junpeng Shao, Guitao Sun
doaj   +3 more sources

The pressure control of independent load port electro-hydraulic load simulation system using fixed time integral sliding mode active disturbance rejection [PDF]

open access: yesScientific Reports
To address the issues of motion disturbance and low loading accuracy in electro-hydraulic load simulation systems, and to effectively mitigate the impact of uncertainty on system performance, this paper proposes a novel independent load port electro ...
He Hao, Hao Yan
doaj   +2 more sources

Research on Semi-physical Simulation and Test Platform for Electro-hydraulic Steering System of Autonomous-rail Rapid Tram

open access: yesKongzhi Yu Xinxi Jishu, 2023
Aiming at the shortage of experimental resources and the difficulties in the on-site debug of the electro-hydraulic steering system, a set of semi-physical simulation platform, based on mathematic model of electro-hydraulic steering system, is developed.
HUANG Song   +6 more
doaj   +3 more sources

Analysis of Concentration Polarisation in Full-Size Spiral Wound Reverse Osmosis Membranes Using Computational Fluid Dynamics

open access: yesMembranes, 2021
A three-dimensional model for the simulation of concentration polarisation in a full-scale spiral wound reverse osmosis (RO) membrane element was developed.
Wenshu Wei   +5 more
doaj   +1 more source

Physical modelling and analysis of electro-hydraulic position servo systems for single rod hydraulic cylinders [PDF]

open access: yesZhihui kongzhi yu fangzhen, 2023
The electro-hydraulic position servo system of a single rod hydraulic cylinder is used in a large number of engineering applications due to its compact structure, but due to its asymmetric structure and complex mathematical model, many factors cannot be ...
ZHANG Yizhe, LI Yuesong, LI Geqiang, LI Guifei, WANG Bang
doaj   +1 more source

Development Status and Research Progress of a Tractor Electro-Hydraulic Hitch System

open access: yesAgriculture, 2022
A tractor electro-hydraulic hitch system is considered one of the most important systems that play a strategic role in the power transmission and operation depth control of a tractor’s field operation.
Xiaoxu Sun   +6 more
doaj   +1 more source

Early Fault Symptom Diagnosis of Aircraft Electro-hydraulic Servo Valve

open access: yesHangkong gongcheng jinzhan, 2020
Electro-hydraulic servo valve is an important part of aircraft brake system, which affects the safety of aircraft landing. In order to solve the problem of frequent failure of a certain type of electro-hydraulic servo valve, a model of electro-hydraulic ...
JIN Guotao
doaj   +1 more source

Feedback-feedforward variable gain iterative learning method adopted in electro-hydraulic position servo system

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectiveIn order to realize the precise control of a certain type of electro-hydraulic position servo system, a feedback-feedforward variable gain iterative learning method is proposed. MethodFirst, the simplified model of the electro-hydraulic position
Xuan LIU   +4 more
doaj   +1 more source

Energy consumption in a large- scale 3D electro-osmosis-hydraulic synergism system for sludge consolidation

open access: yesShuiwen dizhi gongcheng dizhi, 2023
The 3D electro-osmosis-hydraulic synergistic consolidation method is proposed based on the theory of electroosmosis and consolidation to solve the problem of the high energy consumption and large-scale simulation of practice conditions for low ...
Ruoxuan ZHENG   +5 more
doaj   +1 more source

New slip control system considering actuator dynamics [PDF]

open access: yes, 2015
A new control strategy for wheel slip control, considering the complete dynamics of the electro-hydraulic brake (EHB) system, is developed and experimentally validated in Cranfield University's HiL system.
Assadian, Francis, Soltani, Amirmasoud
core   +1 more source

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